Abstract
We perform a two-dimensional inversion of f-mode travel times to determine near-surface solar flows. The inversion is based on optimally localized averaging of travel times. We use finite-wavelength travel-time sensitivity functions and a realistic model of the data errors. We find that it is possible to obtain a spatial resolution of 2 Mm. The error in the resulting flow estimate ultimately depends on the observation time and the number of travel distances used in the inversion.
Original language | English (US) |
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Pages (from-to) | 234-239 |
Number of pages | 6 |
Journal | Astronomische Nachrichten |
Volume | 328 |
Issue number | 3-4 |
DOIs | |
State | Published - Mar 2007 |
Keywords
- Sun: convection
- Sun: helioseismolog
ASJC Scopus subject areas
- Astronomy and Astrophysics
- Space and Planetary Science